2-Way Acid Airless Foam/Rinse System

Model # 972212-RINSE

The 2-Way Acid Airless Foam/Rinse System is a combination foam/rinse applicator for applying 2 highly corrosive chemicals, such as those used to remove concrete and for aluminum brightening, and rinsing through 2 separate hoses without compressed air. This acid-resistant venturi injection system uses standard city water pressure (35 - 125 PSI) to draw and blend a high concentration of acid into the water stream to create a strong solution. The solution then flows through the discharge hose to the "airless" foam wand which draws in atmospheric air to create and project wet, clinging foam on to any surface. Use ball valves to inject the 2 chemicals separately or simultaneously. Rinse at full pressure through the dedicated hose and unique, powerful 4-hole nozzle.

Key Features
  • No compressed air required
  • Achieves strong concentrations up to 4:1
  • Weaker dilution ratios controlled by precision metering tips
  • Designed to apply 2 separate chemicals or 2 different concentrations of the same chemical
  • Projects wet, clinging foam which increases chemical contact time and effectiveness
  • Foaming expands the chemical and reduces over-application by providing visual assurance of coverage
  • Rinse at full pressure using the powerful 4-hole nozzle
  • Use it where 35 - 125 PSI water is available
  • Corrosion resistant components ensure durability and years of reliable service
  • See other Lafferty acid sprayers and foamers in Catalog 8


  • Polypropylene mounting bracket and cover
  • PVC inlet and chemical discharge ball valves
  • Machined polypropylene injector body
  • 20 color-coded precision metering tips to set dilution ratios
  • 50' foam hose & polypropylene extended airless foam wand
  • 50' rinse hose, stainless steel ball valve & stainless steel 4-hole nozzle
Chemical Concentrate
Temperature up to 160°F
Pressure 35 to 125 PSI
Flow 7.2 GPM @ 40 PSI
Supply Line 3/4"
Foam 1/2" ID x 50'
Rinse 3/4" ID x 50'
Foam A-25 Airless Foam Wand
Rinse 4 Hole Rinse Nozzle
Dilution Ratio Range @ 40 PSI
Foam 297:1 to 4:1
Stainless Steel Hose Racks
Large Stainless Steel Hose Rack# 224150
Stainless Steel Jug Racks
2 ½ Gal. (8 ½'' x 10 ½'') # 224210
5 Gallon (12" x 12") Round/Square# 224215
5 Gallon, Round (Locking)# 224216
Drum & Tote Stick Lengths, Styles & Seal Materials
Drum Stick, 33" (Viton or EPDM)# 491643 / 491643-E
Drum Stick, 48" (Viton or EPDM)# 491648 / 491648-E
Drum Stick, 54" (Viton or EPDM)# 491645 / 491645-E
Tote Stick, 33" (Viton or EPDM)# 491653 / 491653-E
Tote Stick, 48" (Viton or EPDM)# 491654 / 491654-E
Tote Stick, 54" (Viton or EPDM)# 491656 / 491656-E
Lafferty Equipment Manufacturing, Inc.
5614 Oak Grove Road
North Little Rock, AR 72118
TFN: 1-800-999-2820

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